Number of matchings in graph P_{6} X P_{n}.

A033509

Number of matchings in graph P_{6} X P_{n}.

Terms

    a(0) =1a(1) =13a(2) =733a(3) =31687a(4) =1453535a(5) =65805403a(6) =2989126727a(7) =135658637925

External references